<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Document</title>
  </head>
  <!-- <script src="https://unpkg.com/vue@3/dist/vue.global.js"></script> -->
  <body>
    <div id="app">
      <label for="">输入; <input type="text" v-model="message" /></label>
      {{message}}
    </div>
  </body>
  <!-- <script src="./vue.global.js"></script> -->
  <!-- <script src="./vue3.js" type="module"></script> -->
  <script type="module">
    import { ref } from "./vue3.js";
    const message = ref(5);
    console.log(message);
    message.value = 10;
    // const app = createApp({
    //   setup() {
    //     const message = ref("Hello vue!");
    //     return {
    //       message,
    //     };
    //   },
    // });
    // app.mount("#app");
  </script>
</html>
